science teacher hugh hunter says it hinders learning. >> as kids go from classroom to classroom they experience the same situation and after three or four hours of that it's hard for them to focus. >> lawmakers just introduced measures to get project moneys out the door by next summer. retrofitting is expected to cut energy costs at least 30%. >> we want to give them great, new energy efficiency and clean energy technologies and bring our schools up to the 21st century. when the upgrading is done, the $4 billion goes to the state's general fund. in sacramento, nannette miranda, abc7 news. >>> muni officials are hoping san francisco cable cars will be running smoothly today without any more problems. a series of glitches forced closers the past two days. service was shut down friday and after repairs were made to the cables, service resumed yesterday morning. but then around 8:30 the powell mason and powell height lines went down. the mta is blaming equipment issues for both disruptions. >> just two days after kate middleton was released from the hospital. she made a flashy first appe